diff --git a/mesonbuild/backend/ninjabackend.py b/mesonbuild/backend/ninjabackend.py
index e5682138c..fe90478ad 100644
--- a/mesonbuild/backend/ninjabackend.py
+++ b/mesonbuild/backend/ninjabackend.py
@@ -1769,7 +1769,7 @@ rule FORTRAN_DEP_HACK
         curdir = target.get_subdir()
         tmppath = os.path.normpath(os.path.join(self.build_to_src, curdir))
         src_inc = compiler.get_include_args(tmppath, False)
-        if curdir ==  '':
+        if curdir == '':
             curdir = '.'
         build_inc = compiler.get_include_args(curdir, False)
         commands += build_inc + src_inc
@@ -1781,7 +1781,7 @@ rule FORTRAN_DEP_HACK
         for i in target.get_include_dirs():
             basedir = i.get_curdir()
             for d in i.get_incdirs():
-                expdir =  os.path.join(basedir, d)
+                expdir = os.path.join(basedir, d)
                 srctreedir = os.path.join(self.build_to_src, expdir)
                 # There may be include dirs where a build directory has not been
                 # created for some source dir. For example if someone does this:
diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 304dd4052..c517c5b70 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -330,7 +330,7 @@ class BuildTarget():
             if isinstance(s, (str, File, ExtractedObjects)):
                 self.objects.append(s)
             elif isinstance(s, (GeneratedList, CustomTarget)):
-                msg =  'Generated files are not allowed in the \'objects\' kwarg ' + \
+                msg = 'Generated files are not allowed in the \'objects\' kwarg ' + \
                     'for target {!r}.\nIt is meant only for '.format(self.name) + \
                     'pre-built object files that are shipped with the\nsource ' + \
                     'tree. Try adding it in the list of sources.'
diff --git a/mesonbuild/dependencies.py b/mesonbuild/dependencies.py
index c0e8851aa..884a0d828 100644
--- a/mesonbuild/dependencies.py
+++ b/mesonbuild/dependencies.py
@@ -965,7 +965,7 @@ class QtBaseDependency(Dependency):
             if not self.qmake.found():
                 continue
             # Check that the qmake is for qt5
-            pc, stdo = Popen_safe(self.qmake.fullpath +  ['-v'])[0:2]
+            pc, stdo = Popen_safe(self.qmake.fullpath + ['-v'])[0:2]
             if pc.returncode != 0:
                 continue
             if not 'Qt version ' + self.qtver in stdo:
@@ -978,7 +978,7 @@ class QtBaseDependency(Dependency):
             return
         self.version = re.search(self.qtver + '(\.\d+)+', stdo).group(0)
         # Query library path, header path, and binary path
-        stdo = Popen_safe(self.qmake.fullpath +  ['-query'])[1]
+        stdo = Popen_safe(self.qmake.fullpath + ['-query'])[1]
         qvars = {}
         for line in stdo.split('\n'):
             line = line.strip()
diff --git a/mesonbuild/modules/pkgconfig.py b/mesonbuild/modules/pkgconfig.py
index 6c59f5218..c693c8d61 100644
--- a/mesonbuild/modules/pkgconfig.py
+++ b/mesonbuild/modules/pkgconfig.py
@@ -48,7 +48,7 @@ class PkgConfigModule:
             # '${prefix}' is ignored if the second path is absolute (see
             # 'os.path.join' for details)
             ofile.write('libdir=%s\n' % os.path.join('${prefix}', coredata.get_builtin_option('libdir')))
-            ofile.write('includedir=%s\n' %  os.path.join('${prefix}', coredata.get_builtin_option('includedir')))
+            ofile.write('includedir=%s\n' % os.path.join('${prefix}', coredata.get_builtin_option('includedir')))
             ofile.write('\n')
             ofile.write('Name: %s\n' % name)
             if len(description) > 0:
diff --git a/mesontest.py b/mesontest.py
index 240b4f70e..88d0527ee 100755
--- a/mesontest.py
+++ b/mesontest.py
@@ -346,7 +346,7 @@ class TestHarness:
         logfile = None
         try:
             if not self.options.verbose:
-                jsonlogfile =  open(jsonlogfilename, 'w')
+                jsonlogfile = open(jsonlogfilename, 'w')
                 logfile = open(logfilename, 'w')
                 logfile.write('Log of Meson test suite run on %s.\n\n' %
                             datetime.datetime.now().isoformat())